| epr-package | Easy Polynomial Regression | 
| bl | Analysis of bronken line regression | 
| data1 | data1: Sampaio (2010): page 134 | 
| data2 | data2: Kaps and Lamberson (2009): page 434 | 
| data3 | data3: fictional example | 
| data4 | data4: fictional example | 
| data5 | data5: fictional example | 
| epr | Easy Polynomial Regression | 
| pr1 | Analysis of polynomial regression | 
| pr2 | Analysis of polynomial regression | 
| r.test | Tests for model identity and parameter | 
| regplot | Graphics of the regression |